Native to:
Bahamas,
Belize,
Bermuda,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Guatemala,
Haiti,
Honduras,
Jamaica,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Netherlands Antilles,
Nicaragua,
Panamá,
Texas,
Turks-Caicos Is.
Introduced into:
Afghanistan,
Alabama,
Albania,
Algeria,
Altay,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Ascension,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Benin,
Bolivia,
Botswana,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
Burundi,
California,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Central African Repu,
Central European Rus,
Chad,
Chile Central,
Chile North,
China North-Central,
China South-Central,
Colombia,
Colorado,
Congo,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Equatorial Guinea,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
French Guiana,
Galápagos,
Gambia,
Germany,
Ghana,
Great Britain,
Greece,
Guinea,
Gulf of Guinea Is.,
Hainan,
Hawaii,
Hungary,
Illinois,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Italy,
Ivory Coast,
Japan,
Jawa,
Juan Fernández Is.,
Kazakhstan,
Kentucky,
Kenya,
Kirgizstan,
Korea,
Kriti,
Krym,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Libya,
Madagascar,
Madeira,
Malawi,
Mali,
Manchuria,
Maryland,
Mauritania,
Mauritius,
Minnesota,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nepal,
Netherlands,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Niger,
Nigeria,
Norfolk Is.,
North Caucasus,
Northern Provinces,
Northwest European R,
Norway,
Pakistan,
Palestine,
Peru,
Poland,
Portugal,
Primorye,
Puerto Rico,
Qinghai,
Queensland,
Romania,
Rwanda,
Réunion,
Sardegna,
Saudi Arabia,
Sicilia,
Somalia,
South Australia,
South European Russi,
Spain,
Sri Lanka,
St.Helena,
Sudan,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Tibet,
Togo,
Tonga,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Uzbekistan,
Venezuela,
Venezuelan Antilles,
Vermont,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
Western Australia,
Windward Is.,
Wisconsin,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe